
body {
    background-color: rgb(47, 118, 170);
    /*display: flex;*/
    /*justify-content: center;*/
    /*align-items: center;*/
    height: 100vh;

}

body > div {
    /*border: 1px solid red;*/
    width: 300px;
    height: 300px;
    /*margin: auto;*/
}

body > div > div:nth-child(1) {
    margin: 20px 0 0 0;

}

.ht {
    color: rgb(239, 231, 42);
    margin: 0 20px 0 0;
    width: 50px;
    text-align: justify;

}

/*分组选择器*/
.ht:after, .gl:after {
    content: "";
    display: inline-block;
    width: 100%;
    overflow: hidden;
    height: 0;
}

/*.gl:after {*/
/*    content: "";*/
/*    display: inline-block;*/
/*    width: 100%;*/
/*    overflow: hidden;*/
/*    height: 0;*/
/*}*/

.gl {
    color: white;
    text-align: justify;
    width: 50px;
}

form {
    background-color: rgb(110, 174, 221);
    padding: 20px;
    border-radius: 10px 10px 10px 10px;
}

form > div {
    display: flex;
    margin: 0 0 20px 0;
    align-items: center;
}

form > div > div:nth-child(1) {
    width: 70px;
    text-align: right;
    margin: 0 20px 0 0;
}

input {
    width: 100px;
    padding: 10px 20px 10px 20px;
}

.code {
    width: 30px;
}

.button {
    height: 50px;
    padding: 0 50px 0 50px;
    margin: 20px;
    background-color: rgb(179, 211, 235);
    width: 50px;
    line-height: 50px;
    border: 1px solid blue;
    font-family: 新宋体;
    font-size: 20px;
    border-radius: 10px;
}